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Rock drilling equipment — Hollow drill steels in bar form, hexagonal and round
Automatically translated name:
Rock drilling equipment -- Hollow drill steels in bar form, hexagonal and round
STANDARD published on 24.1.1991
Designation standards: ISO 722:1991-ed.3.0
Publication date standards: 24.1.1991
SKU: NS-434692
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Category: Technical standards ISO
Equipment for drilling and mine excavationSteel bars and rods
Description / Abstract: Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).
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Latest update: 2024-09-08 (Number of items: 2 346 217)
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